Geography of Johnston Atoll
Location: Oceania, atoll in the North Pacific Ocean, about one-third of the way from Hawaii to the Marshall IslandsGeographic coordinates: 16 45 N, 169 30 W
Map references: OceaniaArea:
total:
2.8 sq km
land:
2.8 sq km
water:
0 sq km
Area - comparative: about 4.7 times the size of The Mall in Washington, DC
Land boundaries: 0 km
Coastline: 10 km
Maritime claims:
exclusive economic zone:
200 nm
territorial sea:
12 nm
Climate: tropical, but generally dry; consistent northeast trade winds with little seasonal temperature variation
Terrain: mostly flat
Elevation extremes:
lowest point:
Pacific Ocean 0 m
highest point:
Summit Peak 5 m
Natural resources: NA; guano deposits worked until depletion about 1890
Land use:
arable land:
0%
permanent crops:
0%
permanent pastures:
0%
forests and woodland:
0%
other:
100%
Irrigated land: 0 sq km (1998)
Natural hazards: NA
Environment - current issues: no natural fresh water resources
Geography - note: strategic location in the North Pacific Ocean; Johnston Island and Sand Island are natural islands, which have been expanded by coral dredging; North Island (Akau) and East Island (Hikina) are manmade islands formed from coral dredging; closed to the public; former US nuclear weapons test site; site of Johnston Atoll Chemical Agent Disposal System (JACADS); some low-growing vegetation
- See also : Johnston Atoll
